1. In 2 domain controllers, One has some 3 roles other has 2 roles, Domain controller which has 3 roles went down, will the users can able to login who are created in that domain controller?

Yes, by default that uers can able to login as this record
is repliacted to another DCs.

Since pdc emulator role is handling the Password and
lockput policies, if the account is locked out, that user
may not be able to login if the down DC handling this role.

2. Which role is necessary to synchronize time in an enterprise?

Time Sinc is necessory for AD service to function i.e users can't login or Group policies are not applied to client whose time is out of sync(up-to 5 minutes is permitted)
PDC emulator role does the job of time synchronization.

4. What is the difference between installation and configuration?

Configuration: The choices made in setting up a computer
system or an application program so that it meets the
user's needs.

Installation:Installation (or setup) of a program
(including drivers, plugins act of putting the program onto
a computer system so that it can be executed.

5. How will we take back up all computer in domain in single shot?

You can create a batch file for backup and you also create scheduled for daily or weekly.

Or you can do one thing create sharing folders for each & every department with users permission then map these drive on particular user computers or departments computer. Ask them to save all data on these drives.

6. Why screensaver is required in windows?

Screensaver automaticaly appear, it's advantage
1- window automaticaaly lock as scheduled time.
2- Power saving.
3- we can use our company quotations and wallpapers as
screen saver.
4- screensaver ca be protected by password.


whistler and xp is the abbreviation
of "experience"

8. How many partition we make in 500 gb hard drive?

We can make maximum 4 partition in any hard disk,whatever it's
size should be.And from these 4 partition we can make max. 3
primary partition and 1 extended partition ,and in extended
partition we can make as many partition as we want till the
size of the hard disk is not over and these type of partition
which are made in extended partition are called logical partition.

9. What is the different between MAC and Windows?

MAC stands for Message Authentication code which is used to
authenticates message in codes form and windows is operating
system which runs on the hardware or Devices.

10. What is the main technical difference b/w window xp and window 7?

1. outlook express was removed.
2. Documents and settings folder was replaced by simple
3.start menu is changed, no more fly-outs and scroll-outs
scroll down is introduced.
4. ribbon interface instead of drop down tool bar.

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